Finding the Fourth Proportional to 1,522.35, 2,283.39 and 742.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.35 : 2,283.39 = 742.05 : x
2. Step 2: Convert to fraction form
   1,522.35/2,283.39 = 742.05/x
3. Step 3: Cross multiply
   1,522.35x = 2,283.39 × 742.05
4. Step 4: Simplify right side
   1,522.35x = 1,694,389.55
5. Step 5: Solve for x
   x = 1,694,389.55/1,522.35
6. Step 6: Final answer
   x = 1,113.01